remove the 'main' sheet

.gitignore

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+songbook.sqlite
+public/

build_db.py

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+import sqlite3
+import os
+import pyexcel_odsr
+
+os.remove('songbook.sqlite')
+db = sqlite3.connect("songbook.sqlite")
+
+cur = db.cursor()
+
+with open('db.sql') as file:
+    db.executescript(file.read())
+
+data = pyexcel_odsr.get_data('reference.ods')
+
+def nullifempty(cell):
+    return None if len(cell)==0 else cell
+
+# import song
+cur.executemany(
+    'insert or ignore into song(id,name,name_jp) values(?, ?, ?)',
+    ((row[0],row[3],None if len(row)<5 else nullifempty(row[4])) for row in data['Song'][1:])
+)
+
+# import album
+cur.executemany(
+    'insert into album(id,name,date,code) values (?, ?, ?, ?)',
+    data['Album'][1:]
+)
+
+# import artist
+cur.executemany(
+    'insert into artist(id,name_rm,name) values(?, ?, ?)',
+    ((row[0],nullifempty(row[1]),row[2]) for row in data['Artist'][1:])
+)
+
+# import credit
+cur.executemany(
+    'insert into credit(id,name) values(?, ?)',
+    data['Credit'][1:]
+)
+
+# import motif
+cur.executemany(
+    'insert into motif(id,name) values(?, ?)',
+    data['Motif'][1:]
+)
+
+# import clip
+cur.executemany(
+    'insert into clip(start_ms,duration_ms,song_id,motif_id) values (?, ?, ?, ?)',
+    data['Clip'][1:]
+)
+
+# import song x artist
+def creditparams(rows):
+    for row in rows[1:]:
+        for index,artist in enumerate(row[5:], 5):
+            if len(artist)>0:
+                yield (row[0],artist,rows[0][index])
+
+cur.executemany(
+    'insert or ignore into song_artist(song_id,artist_id,credit_id) values (?, (select id from artist where coalesce(name_rm,name) = ?), (select id from credit where name = ?))',
+    creditparams(data['Song'])
+)
+
+# import song x album
+#    "insert into song_album(album_id,track,song_id) values (?, ?, (select id from song where name = ? and coalesce(name_jp,'') = coalesce(?,'')))"
+cur.executemany(
+    "insert into song_album(song_id,album_id,track) values (?, ?, ?)",
+    ((row[0],row[1],row[2]) for row in data['Song'][1:])
+)
+
+db.commit()

db.sql

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+create table song(
+    id int primary key,
+    name text not null,
+    name_jp text,
+    unique(name,name_jp)
+);
+
+create table album(
+    id int primary key,
+    name text not null,
+    date date not null,
+    code char(3) not null
+);
+
+create table song_album(
+    song_id int not null references song(id),
+    album_id int not null references album(id),
+    track int not null,
+    primary key(album_id,track),
+    unique(song_id,album_id)
+);
+
+create table artist(
+    id int primary key,
+    name text not null,
+    name_rm text
+);
+
+create unique index ix_artist_name on artist(
+    coalesce(name_rm,name)
+);
+
+create table credit(
+    id int primary key,
+    name text not null
+);
+
+create table song_artist(
+    song_id int not null references song(id),
+    artist_id int not null references artist(id),
+    credit_id int not null references credit(id),
+    primary key(song_id,artist_id,credit_id)
+);
+
+create index ix_song_artist on song_artist(
+    artist_id
+);
+
+create table motif(
+    id int primary key,
+    name text not null
+);
+
+create table clip(
+    song_id int not null references song(id),
+    motif_id int not null references motif(id),
+    start_ms int not null,
+    duration_ms int not null,
+    primary key(song_id,motif_id)
+);
+
+create index ix_motif on clip(
+    motif_id
+);
+

generate.py

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+import sqlite3
+import jinja2
+import os
+
+for dirname in [
+    "public/song",
+    "public/motif",
+    "public/album",
+    "public/clip",
+]:
+    os.makedirs(dirname, exist_ok=True)
+
+environment = jinja2.Environment(loader=jinja2.FileSystemLoader("templates/"))
+songplate = environment.get_template("songpage.jinja")
+
+db = sqlite3.connect("songbook.sqlite")
+
+for song in db.execute("SELECT name FROM song"):
+    filename = f"public/song/{song[0]}"
+    content = songplate.render(
+        songname=song[0],
+    )
+    with open(filename, mode="w") as file:
+        file.write(content)
+    print(f"... wrote {filename}")
+
+# template = environment.from_string("Now Playing: {{ song }}")
+# for songname in songnames:
+#     print(
+#         template.render(
+#             song=songname[0]
+#         )
+#     ) 

templates/songpage.jinja

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+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <title>title</title>
+    <link rel="stylesheet" href="style.css">
+    <script src="script.js"></script>
+  </head>
+  <body>
+
+<h1>Now Playing: {{ songname }}</h1>
+
+  </body>
+</html>